#include "inspircd.h"
+
+/** Reference table, contains all current handlers
+ **/
+std::vector<EventHandler*> SocketEngine::ref;
+
+/** Current number of descriptors in the engine
+ */
+size_t SocketEngine::CurrentSetSize = 0;
+
+/** List of handlers that want a trial read/write
+ */
+std::set<int> SocketEngine::trials;
+
+int SocketEngine::MAX_DESCRIPTORS;
+
+/** Socket engine statistics: count of various events, bandwidth usage
+ */
+SocketEngine::Statistics SocketEngine::stats;
+
EventHandler::EventHandler()
{
fd = -1;
this->fd = FD;
}
-SocketEngine::SocketEngine()
-{
- TotalEvents = WriteEvents = ReadEvents = ErrorEvents = 0;
- lastempty = ServerInstance->Time();
- indata = outdata = 0;
-}
-
-SocketEngine::~SocketEngine()
-{
-}
-
-void SocketEngine::SetEventMask(EventHandler* eh, int mask)
-{
- eh->event_mask = mask;
-}
-
void SocketEngine::ChangeEventMask(EventHandler* eh, int change)
{
int old_m = eh->event_mask;
new_m &= ~FD_WANT_READ_MASK;
if (change & FD_WANT_WRITE_MASK)
new_m &= ~FD_WANT_WRITE_MASK;
-
+
// if adding a trial read/write, insert it into the set
if (change & FD_TRIAL_NOTE_MASK && !(old_m & FD_TRIAL_NOTE_MASK))
trials.insert(eh->GetFd());
}
}
-bool SocketEngine::HasFd(int fd)
+bool SocketEngine::AddFdRef(EventHandler* eh)
{
- if ((fd < 0) || (fd > GetMaxFds()))
+ int fd = eh->GetFd();
+ if (HasFd(fd))
return false;
- return (ref[fd] != NULL);
+
+ while (static_cast<unsigned int>(fd) >= ref.size())
+ ref.resize(ref.empty() ? 1 : (ref.size() * 2));
+ ref[fd] = eh;
+ CurrentSetSize++;
+ return true;
+}
+
+void SocketEngine::DelFdRef(EventHandler *eh)
+{
+ int fd = eh->GetFd();
+ if (GetRef(fd) == eh)
+ {
+ ref[fd] = NULL;
+ CurrentSetSize--;
+ }
+}
+
+bool SocketEngine::HasFd(int fd)
+{
+ return GetRef(fd) != NULL;
}
EventHandler* SocketEngine::GetRef(int fd)
{
- if ((fd < 0) || (fd > GetMaxFds()))
- return 0;
+ if (fd < 0 || static_cast<unsigned int>(fd) >= ref.size())
+ return NULL;
return ref[fd];
}
{
if (!eh)
return false;
- if ((eh->GetFd() < 0) || (eh->GetFd() > GetMaxFds()))
+ if (eh->GetFd() < 0)
return false;
return true;
}
return accept(fd->GetFd(), addr, addrlen);
}
-int SocketEngine::Close(EventHandler* fd)
+int SocketEngine::Close(EventHandler* eh)
{
-#ifdef _WIN32
- return closesocket(fd->GetFd());
-#else
- return close(fd->GetFd());
-#endif
+ DelFd(eh);
+ int ret = Close(eh->GetFd());
+ eh->SetFd(-1);
+ return ret;
}
int SocketEngine::Close(int fd)
{
int nbRecvd = recvfrom(fd->GetFd(), (char*)buf, len, flags, from, fromlen);
if (nbRecvd > 0)
- this->UpdateStats(nbRecvd, 0);
+ stats.Update(nbRecvd, 0);
return nbRecvd;
}
{
int nbSent = send(fd->GetFd(), (const char*)buf, len, flags);
if (nbSent > 0)
- this->UpdateStats(0, nbSent);
+ stats.Update(0, nbSent);
return nbSent;
}
{
int nbRecvd = recv(fd->GetFd(), (char*)buf, len, flags);
if (nbRecvd > 0)
- this->UpdateStats(nbRecvd, 0);
+ stats.Update(nbRecvd, 0);
return nbRecvd;
}
{
int nbSent = sendto(fd->GetFd(), (const char*)buf, len, flags, to, tolen);
if (nbSent > 0)
- this->UpdateStats(0, nbSent);
+ stats.Update(0, nbSent);
return nbSent;
}
+int SocketEngine::WriteV(EventHandler* fd, const IOVector* iovec, int count)
+{
+ int sent = writev(fd->GetFd(), iovec, count);
+ if (sent > 0)
+ stats.Update(0, sent);
+ return sent;
+}
+
+#ifdef _WIN32
+int SocketEngine::WriteV(EventHandler* fd, const iovec* iovec, int count)
+{
+ // On Windows the fields in iovec are not in the order required by the Winsock API; IOVector has
+ // the fields in the correct order.
+ // Create temporary IOVectors from the iovecs and pass them to the WriteV() method that accepts the
+ // platform's native struct.
+ IOVector wiovec[128];
+ count = std::min(count, static_cast<int>(sizeof(wiovec) / sizeof(IOVector)));
+
+ for (int i = 0; i < count; i++)
+ {
+ wiovec[i].iov_len = iovec[i].iov_len;
+ wiovec[i].iov_base = reinterpret_cast<char*>(iovec[i].iov_base);
+ }
+ return WriteV(fd, wiovec, count);
+}
+#endif
+
int SocketEngine::Connect(EventHandler* fd, const sockaddr *serv_addr, socklen_t addrlen)
{
int ret = connect(fd->GetFd(), serv_addr, addrlen);
return shutdown(fd, how);
}
-void SocketEngine::RecoverFromFork()
+void SocketEngine::Statistics::Update(size_t len_in, size_t len_out)
{
+ CheckFlush();
+ indata += len_in;
+ outdata += len_out;
}
-void SocketEngine::UpdateStats(size_t len_in, size_t len_out)
+void SocketEngine::Statistics::CheckFlush() const
{
- if (lastempty != ServerInstance->Time())
+ // Reset the in/out byte counters if it has been more than a second
+ time_t now = ServerInstance->Time();
+ if (lastempty != now)
{
- lastempty = ServerInstance->Time();
+ lastempty = now;
indata = outdata = 0;
}
- indata += len_in;
- outdata += len_out;
}
-void SocketEngine::GetStats(float &kbitpersec_in, float &kbitpersec_out, float &kbitpersec_total)
+void SocketEngine::Statistics::GetBandwidth(float& kbitpersec_in, float& kbitpersec_out, float& kbitpersec_total) const
{
- UpdateStats(0, 0); /* Forces emptying of the values if its been more than a second */
+ CheckFlush();
float in_kbit = indata * 8;
float out_kbit = outdata * 8;
kbitpersec_total = ((in_kbit + out_kbit) / 1024);
projects / user / henk / code / inspircd.git / blobdiff